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BEFORE LOOKING FOR HELP 

Q4M/Q8M

 

 

 YOUR TROUBLE 

THE CAUSE AND ITS SOLUTION 

After connecting the sup-
ply voltage device does 
not work. 

The power supply is not connected.

 

Check  the  supply  connector  and  the  polarity  of  power  supply, 
switch on the power breaker. 

The supply adapter is not dimensioned sufficiently. 

Check if the adapter power output and voltage agree with the quad 
requirements.

 

After connecting the sup-
ply voltage the LEDs are 
on, but the device does 
not work. 

The supply adapter is not dimensioned sufficiently. 

Check if the adapter power output and voltage agree with the quad 
requirements. 

Horizontal stripes go over 
the quad screen. 

The supply adapter is not dimensioned sufficiently. 

Check if the adapter power output and voltage agree with the quad 
requirements.  

 

Horizontal stripes appear 
over the individual screen 
quadrants. 

Strong interference from power distribution has debased the cam-
era signal

Check the camera connection. 
Check the camera and monitor ground conductor. 

Automatic  switching  se-
quence 

can 

not 

be 

switched on.  

Cameras  listed  in  the  switching  sequence are off from  the switch-
ing. 

Correct the sequence and check the sequence period  (page 6).

  

The  picture  in  the  quad 
screen has stopped. 

The picture has been stopped from the keyboard.  

Check the LEDs on the display (page 5). Press and keep the but-
tons of the shining LEDs 1 

– 8. 

Camera was disconnected or switched off. 

Check the camera power supply and connection. 

Device  does  not  react  to 
alarm inputs.  

The alarm processing is switched off in the main menu.  

Set up the alarm with the function of ALARM (page 6). 

The connection of the alarm signals is disconnected. 

Check the connection of the alarm connector. 

There is no picture on the 
monitor.  

The quad and monitor patchcord is defective. 

Check the patchcord carefully.

 

Содержание Q4M

Страница 1: ...BLACK AND WHITE QUAD Q4M Q8M Installation and user manual...

Страница 2: ...ot use the unit near water for example near a bath tub or in any area showing evidences of humidity POWER SUPPLY This equipment can be fed only by the type of supply quoted by a production code on the...

Страница 3: ...e main output MAIN It is possible to set up cameras which are at the right time available for automatic switching This makes possible to disconnect temporarily uninteresting or disconnected cameras An...

Страница 4: ...4 QUAD2 Press the button QUAD2 to display the quad screen containing cameras 5 8 only for quads Q8M 5 MENU Press the button MENU to display the control menu on the screen Pict 3 Back panel Q4M IN 1 QU...

Страница 5: ...9 Reserve 20 Common conductor ground GND 21 Reserve 22 Reserve 23 Reserve 24 Reserve 25 Common conductor ground GND Pict 6 Alarm connector CANNON 25 for Q8M 13 12 11 10 9 8 7 6 5 4 3 14 15 16 17 18 19...

Страница 6: ...concentric connector the con nector jacket is the negative pole BASIC MODE After turning on the quad cyclically switches among active cameras according to the se quence which has been set up The auto...

Страница 7: ...notice INCORRECT SEQUENCE will appear In that case is necessary to set up cameras in the SEQUENCE menu properly TIME SWITCHING PERIOD By using the buttons 1 and 3 1 and 5 by Q8M is possible to prolong...

Страница 8: ...he interlace correction Off interlace correction of the life screen can cause a gliding effect which is evoked by projection of different half fields of the same camera If you choose the item INT ON a...

Страница 9: ......

Страница 10: ...s appear over the individual screen quadrants Strong interference from power distribution has debased the cam era signal Check the camera connection Check the camera and monitor ground conductor Autom...

Страница 11: ...INPUTS Number 4 8 by Q8M Loop connection input ground GND Activity normally open Maximum alarm loop impedance 1 k Connector CANNON 25 pin socket ALARM OUTPUT Output 2 low voltage relay contacts Maxim...

Страница 12: ...2000 COMPUTRONIC Printed in the Czech Republic Producer reserves the right to alternation without prior notice...

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